| Issue |
Europhys. Lett.
Volume 69, Number 1, January 2005
|
|
|---|---|---|
| Page(s) | 95 - 101 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2004-10298-x | |
| Published online | 08 December 2004 | |
On solidified mixtures of neon and argon —Evidence
for the formation of 
- and 
-phases
Kirchhoff-Institut für Physik, Universität Heidelberg Im Neuenheimer Feld 227, 69120 Heidelberg, Germany
Received:
6
September
2004
Accepted:
25
October
2004
Gaseous mixtures of neon and argon were quench-condensed on a
surface held at 4.2
. The desorption behaviour of these films
was studied by means of high-frequency surface acoustic waves
acting as a microbalance. Subsequent annealing of the solidified
mixtures leads to steplike desorption processes. Over a wide
range of film compositions, the release of neon atoms takes place
at three discrete substrate temperatures. By analyzing the
data with respect to the composition of the solid during
annealing, we find clear evidence for the formation of phases
containing a well-defined stoichiometry of neon and argon:
and .
PACS: 68.03.Fg – Evaporation and condensation / 64.75.+g – Solubility, segregation, and mixing; phase separation / 68.55.-a – Thin film structure and morphology
© EDP Sciences, 2005
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